Engine Configuration

⚙️ Germain Engine Manager

Germain Engines that are deployed on a server are controlled by a single Germain Engine Manager. The following section describes how to control the Engine Manager application.

🖥️ Germain Engine Manager on Windows

On Windows, the Germain Engine Manager is registered as a system service. To start or stop the service, use the Services Console:

🐧 Germain Engine Manager on Unix

On Unix-based operating systems, the Germain Engine Manager can be operated using the service script provided as part of the engine distribution.

🚀 Start and Stop Commands

To start the Engine Manager: nohup bin/startEngineManager.sh &
To stop the Engine Manager:

root@ip-10-0-1-130:/opt/engines# ps -aux | grep apm-engine-manager.jar
root      5505  0.0  0.0  10472   948 pts/0    S+   22:31   0:00 grep --color=auto apm-engine-manager.jar
root      9831  0.0  1.1 4504420 389664 ?      Sl   Nov09   9:38 /usr/bin/java -Dgermain.jvm=/usr/bin/java -Xms256m -Xmx512m -XX:+CrashOnOutOfMemoryError -jar bin/apm-engine-manager.jar
root@ip-10-0-1-130:/opt/engines# kill 9831
root@ip-10-0-1-130:/opt/engines# ps -aux | grep apm-engine-manager.jar
root      5739  0.0  0.0  10472   944 pts/0    S+   22:32   0:00 grep --color=auto apm-engine-manager.jar
root@ip-10-0-1-130:/opt/engines#

🔍 Monitor Germain Engine Manager

The Germain Engine Manager writes status messages and errors to a log found under the Germain Engine directory:
<Engine Root>/logs/EngineManager.log

⚙️ Manage Germain Engines

The Germain Engines can be controlled through the Germain Workspace on the “APM State” page. To enable or disable a specific engine see the instructions below:

🔀 Enabling or Disabling an engine

Step	Details
Log into the Workspace as an Administrator	Log into the Workspace as an Administrator
Go to APM State	Go to APM State
Search for the engine by name or browse for the engine in the list	Search for the engine by name or browse for the engine in the list
Flip the toggle to enabled or disabled	Flip the toggle to enabled or disabled